Head to head · Specialized

Caterpillar 420D vs Caterpillar D6D SA Special Application

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CaterpillarModel A

Caterpillar 420D

Specialized

power
88.5 hp
displacement
268 ci
Cylinders
4
Forward gears
4
Full 420D specs
CaterpillarCaterpillar 420D
vs
CaterpillarCaterpillar D6D SA Special Application

How they compare

Headline specs vs. the whole Specialized

n = 43–58

Engine Displacement

▲ D6D SA Special Application higher · +370 ci (+138%)
420D268 ci
D6D SA Special Application638 ci
Median Specialized Tractor239 ci

420D is in the 62nd percentile; D6D SA Special Application is in the 99th · 56 models

Cylinders

▲ D6D SA Special Application higher · +2 (+50%)
420D4
D6D SA Special Application6
Median Specialized Tractor4

420D is in the 50th percentile; D6D SA Special Application is in the 99th · 58 models

Forward Gears

▲ D6D SA Special Application higher · +2 (+50%)
420D4
D6D SA Special Application6
Median Specialized Tractor4

420D is in the 50th percentile; D6D SA Special Application is in the 77th · 43 models

Operating Weight

▲ D6D SA Special Application higher · +13,237 lb (+84%)
420D15,763 lb
D6D SA Special Application29,000 lb
Median Specialized Tractor12,600 lb

420D is in the 87th percentile; D6D SA Special Application is in the 97th · 50 models

420D (A)D6D SA Special Application (B)Median Specialized Tractor

Full comparison

Every spec, side by side

General Information

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
ManufacturerCaterpillarCaterpillarSame
Model420DD6D SA Special Application—
CategorySpecialized, Backhoe LoaderSpecialized—

Engine

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
ManufacturerCaterpillarCaterpillarSame
ModelCat 30543306—
Power Output88.5hpNot recorded—
Rated RPM2,200RPM2,000RPM▲ 420D+200 RPM · +10%
Cylinders46▲ D6D SA Special Application+2 · +50%
Displacement268ci638ci▲ D6D SA Special Application+370 ci · +138%
Bore4.1in4.8in▲ D6D SA Special Application+0.7 in · +17%
Stroke5in6in▲ D6D SA Special Application+1 in · +20%

Transmission

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
TypePower ShuttleGear—

Dimensions & Weight

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
Length274in156in▲ 420D+118 in · +76%
Width92.5in94in▲ D6D SA Special Application+1.5 in · +2%
Height109in124in▲ D6D SA Special Application+15 in · +14%
Operating Weight15,763lb29,000lb▲ D6D SA Special Application+13,237 lb · +84%

Hydraulics

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
System TypeClosed centerOpen Center—
Steering TypeHydrostatic powerNot recorded—

Chassis & Drive

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeHydrostatic powerNot recorded—
Brake TypeWet discNot recorded—

Electrical

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
Starter TypeElectricElectric Starter—

Capacities

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
CoolantNot recorded10gal—

Operator Station

SpecCaterpillar 420DCaterpillar D6D SA Special ApplicationDifference
TypeFour-post ROPS/FOPSOpen—

Category context

Both models against the field

Engine Displacement

median 239 ci
A · 62nd percentile (268 ci)B · 99th percentile (638 ci)

Cylinders

median 4
A · 50th percentile (4)B · 99th percentile (6)

Forward Gears

median 4
A · 50th percentile (4)B · 77th percentile (6)

Operating Weight

median 12,600 lb
A · 87th percentile (15,763 lb)B · 97th percentile (29,000 lb)

Length

median 274 in
A · 52nd percentile (274 in)B · 27th percentile (156 in)
A · 420DB · D6D SA Special ApplicationMedian Specialized Tractor
Full spec pageCaterpillar 420DFull spec pageCaterpillar D6D SA Special Application